Greater Boston With Emily Rooney 7 p.m. WGBH (Channel 2) Gail Huff joins local scientists on a quest to tag and track sharks.
Go to the Light 7:30 p.m. WCVB-TV (Channel 5) Lighthouses from the North Shore to Cape Cod.
WBUR’s Morning Edition With Bob Oakes 5 a.m. and All Things Considered With Sacha Pfeiffer 4 p.m. WBUR-FM (90.9) The latest news from WBUR’s local newsroom.
Morning Edition With Bob Seay 6 a.m. WGBH-FM (89.7) Jared Bowen on the Cuban Missile Crisis exhibition at the JFK Library and Museum.
Boston Public Radio noon WGBH-FM (89.7)
Radio Boston 3 p.m. WBUR-FM (90.9) Company One’s new production, “How We Got On.”
Nightside With Dan Rea
8 p.m. WBZ-AM (1030) Were students smarter 100 years ago?
CBS This Morning at 7 a.m. on Chs. 4 and 12. Forest Whitaker.
Good Morning America at
7 a.m. on Chs. 5, 6, and 9.
Today at 7 a.m. on Chs. 7 and 10; 10 a.m. on Ch. 7. Jimmy Buffett performs.
Live! With Kelly and Michael at 9 a.m. on Chs. 5 and 9; 10 a.m. on Ch. 10. Maria Menounos (guest cohost); Harrison Ford.
Rachael Ray at 9 a.m. on Ch. 4; 2 p.m. on Ch. 10. Nate Berkus gets cooking lessons from Jacques Pepin, David Burke, and Lidia Bastianich.
Steve Harvey at 9 a.m. on
Ch. 64; 10 a.m. on Chs. 5 and 9.
The View at 11 a.m. on Chs. 5, 6, and 9. T.I.; Jim Rash.
The Doctors at 2 p.m. on
Ch. 7; 4 p.m. on Ch. 64. Roseanne Barr.
The Talk at 2 p.m. on Chs. 4 and 12. Eric McCormack.
Anderson Live at 3 p.m. on Chs. 12 and 25. Rosie Perez (guest cohost); the cast of “Downton Abbey.”
Katie at 3 p.m. on Chs. 5 and 9; 4 p.m. on Ch. 6. Tony Goldwyn.
The Ellen DeGeneres Show at 4 p.m. on Chs. 5, 9, and 10. Gwyneth Paltrow.
Charlie Rose at 11 p.m. on Chs. 2 and 11.
Conan at 11 p.m. and 12:30 a.m. on TBS. Harrison Ford; Donald Faison.
The Daily Show With Jon Stewart at 11 p.m. and 1:02 a.m. on COM. Simon Pegg.
Colbert Report at 11:31 p.m. and 1:33 a.m. on COM. Richard Brodhead, president of Duke University.
The Tonight Show With Jay Leno at 11:34 p.m. on Chs. 7 and 10. Sandra Bullock; Bob Saget. Il Volo performs.
Jimmy Kimmel Live at 11:35 p.m. on Chs. 5, 6, and 9. Ashton Kutcher; Melanie Griffith. Big Sean performs.
Late Show With David Letterman at 11:35 p.m. on Chs. 4 and 12. Jim Parsons. Snoop Lion performs.
Tavis Smiley at midnight on Ch. 44; 12:30 a.m. on Chs. 2 and 11. Natalie Cole.
Late Night With Jimmy Fallon at 12:37 a.m. on Chs. 7 and 10.
Nightline at 12:37 a.m. on
Chs. 5, 6, and 9.
The Late Late Show With Craig Ferguson at 12:37 a.m. on Chs. 4 and 12. Stephen Fry.
Better at 1 a.m. on Ch. 50.
Last Call With Carson Daly at 1:36 a.m. on Chs. 7 and 10. Andy Dick; Faye; the Men.
Captain Horatio Hornblower
6 p.m. (TCM) Gregory Peck as C.S. Forester’s naval hero. NR (1950)
Election 6:15 p.m. (HBO2) Reese Witherspoon as a ruthless candidate in a high school election. R (1999)
Titanic 6:30 p.m. (FAM) James Cameron’s film about the doomed luxury liner won 11 Oscars. PG-13 (1997)
Pulp Fiction 7 p.m. (AMC) Interweaving stories center on two hit men (John Travolta, Samuel L. Jackson). R (1994)
Reading, Writing & Romance 8 p.m. (HALMRK) A struggling actor takes a job teaching high school English and begins a romance. NR (2013)
Clear History 9 p.m. (HBO2)
A marketing executive at an electric-car start-up quits after an argument with his boss. NR (2013)
The Man in the Gray Flannel Suit 9:45 p.m. (TCM) Gregory Peck as a New York businessman. NR (1956)
Message in a Bottle 11 p.m. (OVAT) A reporter tracks down the author of a note in a bottle. Kevin Costner. PG-13 (1999)
Red Dawn 11:20 p.m. (ENCR) High schoolers conduct guerrilla warfare against Soviet invaders. Patrick Swayze. PG-13 (1984)